CMP Generic 2" Slide/1-1/2" Backwash Valve Piston Assy (25831-122-100) tecmarkcorp but it would not preserve

but it would not preserve the original logic of the panel

0HP XP2 Impeller [4-5/16" OD] (91694301) is designed for compatible XP2 pump applications that require this outer diameter to restore proper internal performance

It can help simplify air

A diffuser plate like this is useful because it helps support internal flow management around the pump’s impeller area

CMP Generic 2" Slide/1-1/2" Backwash Valve Piston Assy (25831-122-100) tecmarkcorp but it would not preserveThe CMP generic backwash valve piston assembly is designed for compatible slide valve applications where the internal piston section needs replacement. A piston assembly is useful because it helps control the internal flow path changes needed for normal filtration and backwash use, supporting dependable valve function. This replacement is especially useful when the original piston is worn, scored, sticking, leaking, or no longer sealing correctly.